CA2216475C - Moteur electrique d'entrainement d'appoint pour bicycle - Google Patents

Moteur electrique d'entrainement d'appoint pour bicycle Download PDF

Info

Publication number
CA2216475C
CA2216475C CA002216475A CA2216475A CA2216475C CA 2216475 C CA2216475 C CA 2216475C CA 002216475 A CA002216475 A CA 002216475A CA 2216475 A CA2216475 A CA 2216475A CA 2216475 C CA2216475 C CA 2216475C
Authority
CA
Canada
Prior art keywords
gear
shaft
angular displacement
helical
gears
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CA002216475A
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English (en)
Other versions
CA2216475A1 (fr
Inventor
Hiroyuki Sonobe
Hisayoshi Takahashi
Katsuhiko Suzuki
Katsutoshi Ohta
Masashi Hirabayashi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Publication of CA2216475A1 publication Critical patent/CA2216475A1/fr
Application granted granted Critical
Publication of CA2216475C publication Critical patent/CA2216475C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
    • B62M6/40—Rider propelled cycles with auxiliary electric motor
    • B62M6/45—Control or actuating devices therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
    • B62M6/40—Rider propelled cycles with auxiliary electric motor
    • B62M6/55—Rider propelled cycles with auxiliary electric motor power-driven at crank shafts parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
    • B62M6/40—Rider propelled cycles with auxiliary electric motor
    • B62M6/60—Rider propelled cycles with auxiliary electric motor power-driven at axle parts
CA002216475A 1996-09-26 1997-09-25 Moteur electrique d'entrainement d'appoint pour bicycle Expired - Fee Related CA2216475C (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP8-254174 1996-09-26
JP25417496 1996-09-26
JP9869797 1997-04-16
JP9-98697 1997-04-16
JP9-158257 1997-06-16
JP15825797 1997-06-16

Publications (2)

Publication Number Publication Date
CA2216475A1 CA2216475A1 (fr) 1998-03-26
CA2216475C true CA2216475C (fr) 2000-07-18

Family

ID=27308743

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002216475A Expired - Fee Related CA2216475C (fr) 1996-09-26 1997-09-25 Moteur electrique d'entrainement d'appoint pour bicycle

Country Status (4)

Country Link
US (1) US6012538A (fr)
EP (1) EP0832816A1 (fr)
CA (1) CA2216475C (fr)
TW (1) TW371646B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010028667A1 (de) 2010-05-06 2011-11-10 Robert Bosch Gmbh Getriebeanordnung für ein Elektrofahrrad und Verfahren zur kombinierten Drehmomentübertragung in einem Elektrofahrrad

Families Citing this family (112)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10286789A (ja) * 1997-04-15 1998-10-27 Honda Motor Co Ltd 関節トルク検出装置
CN2312173Y (zh) * 1997-11-25 1999-03-31 北京中技克美谐波传动有限责任公司 一种电动助力自行车
GB2336575B (en) * 1998-04-22 2002-03-06 Chen Hui Lai Auxiliary driving device of electrically assisted vehicle
JP2000153795A (ja) * 1998-06-29 2000-06-06 Yamaha Motor Co Ltd 電動補助車両
US6196347B1 (en) * 1998-09-22 2001-03-06 Industrial Technology Research Institute Power transmission and pedal force sensing system for an electric bicycle
DE19850606B4 (de) * 1998-11-03 2010-01-21 Renk Aktiengesellschaft Kettenfahrzeug
USRE39179E1 (en) * 1998-11-03 2006-07-11 Renk Aktiengesellschaft Electromechanical drive for track-laying vehicles
US6296072B1 (en) * 1999-01-20 2001-10-02 Opti-Bike Llc Electric bicycle and methods
TW476720B (en) * 1999-06-04 2002-02-21 Sunstar Engineering Inc Power assisted bicycle
CN2382644Y (zh) * 1999-06-04 2000-06-14 上海宝麒自行车有限公司 一种童车连杆齿轮传动装置
US6157149A (en) * 1999-09-17 2000-12-05 Tokyo R&D Co., Ltd. Kinetic energy regenerating device for an electric motor bicycle
JP2001106165A (ja) * 1999-10-13 2001-04-17 Honda Motor Co Ltd 電動補助ユニット
US6299823B1 (en) * 2000-04-04 2001-10-09 Lite-On It Corporation Method for manufacturing roller carrier of vibration balance device
EP1325241B1 (fr) * 2000-10-13 2010-11-24 Sunstar Giken Kabushiki Kaisha Roue libre et appareil de detection de couple utilisant cette derniere
JP2002331957A (ja) * 2001-05-09 2002-11-19 Mitsubishi Automob Eng Co Ltd 車両のフレーム構造
US6516908B2 (en) * 2001-05-10 2003-02-11 Merida Industry Co., Ltd. Transmission for an electric bicycle
US7011600B2 (en) 2003-02-28 2006-03-14 Fallbrook Technologies Inc. Continuously variable transmission
JP4065247B2 (ja) * 2004-04-02 2008-03-19 株式会社シマノ 自転車用駆動ユニット
US20060273686A1 (en) * 2004-06-21 2006-12-07 Edelson Jonathan S Hub motors
DE602004008288T2 (de) * 2004-09-29 2008-05-15 Nexxtdrive Ltd. Nabe mit einem Antrieb mit veränderlicher Übersetzung
DK1815165T3 (da) 2004-10-05 2012-06-18 Fallbrook Technologies Inc Trinløst variabel transmission
NL1028627C2 (nl) * 2005-03-24 2006-09-27 Donald Pi-Hsiang Wu Startinrichting voor een hulpkrachtbron voor een elektrisch aangedreven rijwiel.
LU91159B1 (de) * 2005-03-25 2009-08-05 Donal P H Wu Vorrichtung zum Bet{tigen eines Hilfsmotors eines elektrischen Fahrrads
FR2883836B1 (fr) * 2005-03-30 2007-06-08 Donald Ph Wu Appareil de demarrage d'unite de puissance auxiliaire pour une bicyclette electrique
ES2273568B1 (es) * 2005-04-07 2008-05-01 Donald P.H. Wu Aparato de arranque de una unidad de alimentacion auxiliar para una bicicleta electrica.
US7632203B2 (en) 2005-10-28 2009-12-15 Fallbrook Technologies Inc. Electromotive drives
ES2424652T3 (es) 2005-11-22 2013-10-07 Fallbrook Intellectual Property Company Llc Transmisión continuamente variable
EP1963713B1 (fr) 2005-12-09 2015-02-25 Fallbrook Intellectual Property Company LLC Transmission a variation continue
EP1811202A1 (fr) 2005-12-30 2007-07-25 Fallbrook Technologies, Inc. Transmission à variation continue
TWM301184U (en) * 2006-06-19 2006-11-21 De-You Peng Transmission structure improvement for an electric bicycle
CN102278200B (zh) 2006-06-26 2014-05-14 福博科知识产权有限责任公司 无级变速器
US8376903B2 (en) 2006-11-08 2013-02-19 Fallbrook Intellectual Property Company Llc Clamping force generator
US8738255B2 (en) 2007-02-01 2014-05-27 Fallbrook Intellectual Property Company Llc Systems and methods for control of transmission and/or prime mover
US20100093479A1 (en) 2007-02-12 2010-04-15 Fallbrook Technologies Inc. Continuously variable transmissions and methods therefor
EP2122198B1 (fr) 2007-02-16 2014-04-16 Fallbrook Intellectual Property Company LLC Procede et ensemble
CN101720397B (zh) 2007-04-24 2013-01-02 福博科技术公司 电力牵引传动装置
WO2008154437A1 (fr) 2007-06-11 2008-12-18 Fallbrook Technologies Inc. Transmission à variation continue
KR101695855B1 (ko) 2007-07-05 2017-01-13 폴브룩 인텔렉츄얼 프로퍼티 컴퍼니 엘엘씨 연속 가변 변속기
DE202008018341U1 (de) * 2007-07-18 2013-02-14 Clean Mobile Ag Außenläufer-Elektromotor mit oder ohne Planetengetriebe, sowie Kraftfahrzeug mit Außenläufer-Elektromotor
CN103939602B (zh) 2007-11-16 2016-12-07 福博科知识产权有限责任公司 用于变速传动装置的控制器
CA2708634C (fr) 2007-12-21 2017-08-01 Fallbrook Technologies Inc. Transmissions automatiques et procedes correspondants
WO2009111328A1 (fr) 2008-02-29 2009-09-11 Fallbrook Technologies Inc. Transmissions à variation continue et/ou infinie et procédés associés
US8317651B2 (en) 2008-05-07 2012-11-27 Fallbrook Intellectual Property Company Llc Assemblies and methods for clamping force generation
JP5457438B2 (ja) 2008-06-06 2014-04-02 フォールブルック インテレクチュアル プロパティー カンパニー エルエルシー 無限可変変速機、及び無限可変変速機用の制御システム
EP2304272B1 (fr) 2008-06-23 2017-03-08 Fallbrook Intellectual Property Company LLC Transmission à variation continue
US8116956B2 (en) * 2008-07-01 2012-02-14 Eaton Corporation Fault tolerant clutch actuator
CA2732668C (fr) 2008-08-05 2017-11-14 Fallbrook Technologies Inc. Procedes de commande d'une transmission et/ou d'une machine motrice
US8469856B2 (en) 2008-08-26 2013-06-25 Fallbrook Intellectual Property Company Llc Continuously variable transmission
US8167759B2 (en) 2008-10-14 2012-05-01 Fallbrook Technologies Inc. Continuously variable transmission
NL2002305C2 (nl) * 2008-12-08 2010-06-09 Sparta B V Transmissie-eenheid voor een rijwiel.
DE102009045447B4 (de) * 2008-12-11 2021-07-22 Robert Bosch Gmbh Fahrrad mit elektrischem Hilfsantrieb
KR101820351B1 (ko) 2009-04-16 2018-02-28 폴브룩 인텔렉츄얼 프로퍼티 컴퍼니 엘엘씨 무단 변속기를 위한 고정자 조립체 및 시프팅 장치
WO2010124742A1 (fr) * 2009-04-30 2010-11-04 Philippe Kohlbrenner Mécanisme d'entraînement pour bicyclette
CN102753429B (zh) * 2010-01-22 2015-11-25 福斯特资产有限公司 具有整合式转矩传感器的马达
US8590655B2 (en) * 2010-01-22 2013-11-26 Foster Assets Corporation Pedal driven apparatus having a motor
US8256554B2 (en) * 2010-01-22 2012-09-04 Foster Assets Corporation Pedal driven apparatus having a motor
US20110183794A1 (en) * 2010-01-22 2011-07-28 Yet Chan Pedal driven apparatus having a motor
US8512195B2 (en) 2010-03-03 2013-08-20 Fallbrook Intellectual Property Company Llc Infinitely variable transmissions, continuously variable transmissions, methods, assemblies, subassemblies, and components therefor
US8888643B2 (en) 2010-11-10 2014-11-18 Fallbrook Intellectual Property Company Llc Continuously variable transmission
ITMO20110062A1 (it) * 2011-03-16 2012-09-17 C R D Ct Ricerche Ducati Trent O S R L Ruota per biciclette a pedalata assistita
JP5211212B2 (ja) * 2011-07-27 2013-06-12 株式会社シマノ 自転車用モータ制御装置および自転車
WO2013041900A1 (fr) * 2011-09-20 2013-03-28 Aktiebolaget Skf Ensemble de pédalier pour une bicyclette et bicyclette équipée par un tel ensemble de pédalier
DE102012109743B4 (de) 2011-10-13 2020-06-18 Shimano Inc. Fahrradantriebseinheit
CN102442399B (zh) * 2011-11-04 2014-07-30 陈戈平 无手动调速脚踏电动助力自行车中置传动装置
DE102011089559A1 (de) * 2011-12-22 2013-06-27 Robert Bosch Gmbh Kurbeltrieb für ein Fahrrad
MX350737B (es) 2012-01-23 2017-09-15 Fallbrook Ip Co Llc Transmisiones infinitamente variables, transmisiones continuamente variables, métodos, montajes, submontajes y componentes para estas.
KR101173679B1 (ko) * 2012-03-30 2012-08-13 재단법인차세대융합기술연구원 변속기
JP5276735B1 (ja) * 2012-04-06 2013-08-28 株式会社シマノ 自転車用制御装置
GB2501496B (en) * 2012-04-24 2015-06-03 Modern Times Ltd Electrically assisted cycle kit
TW201418105A (zh) * 2012-07-04 2014-05-16 Lars Munksoe 具有軸傳動機構及電動馬達的車輛
US8651993B1 (en) * 2012-09-10 2014-02-18 Shimano Inc. Bicycle drive unit
KR101366557B1 (ko) * 2012-09-19 2014-02-26 주식회사 만도 전기 자전거 구동 장치
CN103723234B (zh) * 2012-10-12 2016-03-30 株式会社岛野 自行车的驱动单元
JP5628880B2 (ja) * 2012-10-25 2014-11-19 株式会社シマノ 駆動ユニット
EP2740660A1 (fr) * 2012-12-07 2014-06-11 RGM S.p.A. Appareil d'assistance au pédalage
US8777791B1 (en) * 2013-02-07 2014-07-15 Shimano Inc. Bicycle drive unit
US10124849B2 (en) * 2013-02-27 2018-11-13 Miranda & Irmao, Lda. Sprocket cover
US8919478B2 (en) * 2013-04-10 2014-12-30 Shimano Inc. Bicycle drive unit
JP6660876B2 (ja) * 2013-04-19 2020-03-11 フォールブルック インテレクチュアル プロパティー カンパニー エルエルシー 連続可変変速機
US9758213B2 (en) * 2013-07-16 2017-09-12 Panasonic Intellectual Property Management Co., Ltd. Electric assist bicycle
DE102014110427A1 (de) * 2014-07-24 2016-01-28 Pendix Gmbh Elektrischer Fahrrad-Hilfsantrieb
DE102014111464B4 (de) * 2014-08-12 2017-08-03 Ovalo Gmbh Fahrrad mit einem Steuergerät für eine elektrische Antriebsvorrichtung
US10730584B2 (en) 2014-09-11 2020-08-04 Stacyc, Inc. Convertible motorized running cycle
US9937975B2 (en) * 2014-09-11 2018-04-10 REP Concepts, Inc. Convertible motorized running cycle
PL3012181T3 (pl) * 2014-10-21 2019-07-31 Wuxi Truckrun Motor Co., Ltd. Układ napędowy ze środkowym silnikiem do roweru elektrycznego
JP6749323B2 (ja) * 2014-10-31 2020-09-02 ピアッジオ・エ・チ・ソチエタ・ペル・アツィオーニ 電動ペダルアシスト自転車用の推進装置、及びそのペダルアシスト自転車
CN107107987B (zh) * 2014-10-31 2019-06-28 比亚乔公司 用于电动踏板辅助脚踏车的推进单元及脚踏车
US10400872B2 (en) 2015-03-31 2019-09-03 Fallbrook Intellectual Property Company Llc Balanced split sun assemblies with integrated differential mechanisms, and variators and drive trains including balanced split sun assemblies
FR3035712B1 (fr) * 2015-04-30 2018-07-06 Continental Automotive France Dispositif de mesure de couple applique a un arbre rotatif et procede de mesure de couple associe
JP6634098B2 (ja) 2015-06-30 2020-01-22 サン−ゴバン パフォーマンス プラスティックス コーポレイション 滑り軸受け
JP6857858B2 (ja) * 2015-07-14 2021-04-14 パナソニックＩｐマネジメント株式会社 電動アシスト自転車
WO2017048717A1 (fr) * 2015-09-14 2017-03-23 Jackson Britt Système d'assistance à moteur central pour bicyclette électrique
JP6515017B2 (ja) * 2015-11-27 2019-05-15 株式会社シマノ 自転車用ドライブユニット
US10047861B2 (en) 2016-01-15 2018-08-14 Fallbrook Intellectual Property Company Llc Systems and methods for controlling rollback in continuously variable transmissions
CN109154368B (zh) 2016-03-18 2022-04-01 福博科知识产权有限责任公司 无级变速器、系统和方法
JP6679404B2 (ja) * 2016-04-28 2020-04-15 ヤマハ発動機株式会社 駆動ユニット及び電動補助自転車
US10023266B2 (en) 2016-05-11 2018-07-17 Fallbrook Intellectual Property Company Llc Systems and methods for automatic configuration and automatic calibration of continuously variable transmissions and bicycles having continuously variable transmissions
CN106904240A (zh) * 2017-02-22 2017-06-30 东莞市京橙电机科技有限公司 同轴中置电机驱动离合总成
ES2957311T3 (es) 2018-05-07 2024-01-17 Trek Bicycle Corp Conjunto de batería de bicicleta
USD918144S1 (en) * 2018-07-05 2021-05-04 Robert Bosch Gmbh Drive unit
US11215268B2 (en) 2018-11-06 2022-01-04 Fallbrook Intellectual Property Company Llc Continuously variable transmissions, synchronous shifting, twin countershafts and methods for control of same
CN111300328B (zh) * 2018-12-11 2022-09-09 和硕联合科技股份有限公司 扭力调整装置
US11661138B2 (en) * 2019-01-07 2023-05-30 Shimano Inc. Drive train and sprocket arrangement for human-powered vehicle
US11738826B2 (en) 2019-02-15 2023-08-29 Sram, Llc Bicycle control system
US11518472B2 (en) 2019-02-15 2022-12-06 Sram, Llc Bicycle control system
US11530015B2 (en) 2019-02-15 2022-12-20 Sram, Llc Bicycle control system
US11174922B2 (en) 2019-02-26 2021-11-16 Fallbrook Intellectual Property Company Llc Reversible variable drives and systems and methods for control in forward and reverse directions
CN112550546B (zh) * 2020-11-23 2022-04-15 江苏科技大学 一种电动车助力运行控制系统及其控制方法
US11603165B2 (en) 2021-03-04 2023-03-14 StaCyc, LLC Bike frame having a drive module enclosure
CN113022763B (zh) * 2021-04-30 2022-03-15 浙江阿波罗运动科技股份有限公司 一种越野摩托车
DE102021210672A1 (de) 2021-09-24 2023-03-30 Robert Bosch Gesellschaft mit beschränkter Haftung Antriebsanordnung eines Zweiradfahrzeugs
USD1022804S1 (en) 2021-12-13 2024-04-16 StaCyc, LLC Electric bicycle

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56149277A (en) 1980-04-17 1981-11-19 Chikara Imamura Bicycle with auxiliary power
DE3117415A1 (de) * 1981-05-02 1982-11-18 Wolfgang Dr.-Ing. 8740 Bad Neustadt Volkrodt Zwei- oder mehrraedriges fahzeug mit kettenlosem antrieb
JP2506047B2 (ja) 1993-07-26 1996-06-12 ヤマハ発動機株式会社 電動自転車
US5570752A (en) * 1993-07-26 1996-11-05 Yamaha Hatsudoki Kabushiki Kaisha Transmission arrangement for electric power assisted bicycle
JP3138795B2 (ja) * 1994-09-12 2001-02-26 本田技研工業株式会社 自転車用アシストモータの制御方法
DE9420303U1 (de) * 1994-12-19 1995-02-09 Schaddach Christoph Elektrischer Zusatzantrieb für Fahrräder
JP3450078B2 (ja) * 1995-01-30 2003-09-22 セイコーエプソン株式会社 電気自動車のパワーアシスト装置
TW404383U (en) * 1995-02-28 2000-09-01 Sanyo Electric Co Electric bicycle
JP3547847B2 (ja) * 1995-05-17 2004-07-28 本田技研工業株式会社 アシストモータ付き自転車における踏力検出装置
US5805767A (en) * 1996-01-16 1998-09-08 Jouas; Gary Electronically-controlled heater
US5901807A (en) * 1997-09-18 1999-05-11 Merida Industry Co., Ltd. Electrical drive for a bicycle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010028667A1 (de) 2010-05-06 2011-11-10 Robert Bosch Gmbh Getriebeanordnung für ein Elektrofahrrad und Verfahren zur kombinierten Drehmomentübertragung in einem Elektrofahrrad

Also Published As

Publication number Publication date
EP0832816A1 (fr) 1998-04-01
CA2216475A1 (fr) 1998-03-26
TW371646B (en) 1999-10-11
US6012538A (en) 2000-01-11

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